72568461

素因数分解:

$3^1\times 7^2\times {\mathrm{17}}^1\times {\mathrm{71}}^1\times {\mathrm{409}}^1$

素因数の和:514

約数の個数: 48

約数和(自身を含む): 121150080

約数和(自身を除く): 48581619

約数列:

[1, 3, 7, 17, 21, 49, 51, 71, 119, 147, 213, 357, 409, 497, 833, 1207, 1227, 1491, 2499, 2863, 3479, 3621, 6953, 8449, 8589, 10437, 20041, 20859, 25347, 29039, 48671, 59143, 60123, 87117, 146013, 177429, 203273, 340697, 493663, 609819, 1022091, 1422911, 1480989, 3455641, 4268733, 10366923, 24189487, 72568461]

約数ペア:

[(1, 72568461), (3, 24189487), (7, 10366923), (17, 4268733), (21, 3455641), (49, 1480989), (51, 1422911), (71, 1022091), (119, 609819), (147, 493663), (213, 340697), (357, 203273), (409, 177429), (497, 146013), (833, 87117), (1207, 60123), (1227, 59143), (1491, 48671), (2499, 29039), (2863, 25347), (3479, 20859), (3621, 20041), (6953, 10437), (8449, 8589)]